Home / 192,864.80-266,151.66-107,983.28

Finding the Fourth Proportional to 192,864.80, 266,151.66 and 107,983.28

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Solution

The fourth proportional to 192,864.80, 266,151.66 and 107,983.28 is: 149,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,864.80 : 266,151.66 = 107,983.28 : x
  2. Step 2: Convert to fraction form
    192,864.80/266,151.66 = 107,983.28/x
  3. Step 3: Cross multiply
    192,864.80x = 266,151.66 × 107,983.28
  4. Step 4: Simplify right side
    192,864.80x = 28,739,927,893.49
  5. Step 5: Solve for x
    x = 28,739,927,893.49/192,864.80
  6. Step 6: Final answer
    x = 149,015.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.